1) a child and sled with combined mass of 46.7kg slide down a fictionless hill that is 10.2m high at an angle of 36 degrees from horizontal. The acceleration of gravity of 9.8 m/s^2. If the sled starts from rest, what is its speed at the bottom of the hill? Answer in units of m/s 2) a 50 kg bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 79.3 m high hill. The acceleration of gravity is 9.8 m/s^2. Neglect friction and air resistance and determine the bobsled’s speed at the bottom of the hill. Answer in units of m/s

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